We even can show a new dialog after reset the preferences.

Complete fix of #1777.

diff --git a/modules/gui/qt4/dialogs/preferences.cpp b/modules/gui/qt4/dialogs/preferences.cpp
index a841f700433f33fff47544e34d9a6cfa06b682f7..142c358aa179ae6274a0341f12ba8726b57ca393 100644 (file)
--- a/modules/gui/qt4/dialogs/preferences.cpp
+++ b/modules/gui/qt4/dialogs/preferences.cpp
@@ -360,5 +360,6 @@ void PrefsDialog::reset()
 
         instance = NULL;
         close();
+        PrefsDialog::getInstance( p_intf )->show();
     }
 }